Group 1 - The core point of the news is that Tianjin Jiuan Medical Electronics Co., Ltd. successfully registered a technology innovation bond of 4 billion yuan, marking the first such project for private technology enterprises in Tianjin [1] - Jiuan Medical, established in August 1995 and listed on the Shenzhen Stock Exchange in June 2010, focuses on the research and production of health-related electronic products and smart hardware [2] - The company became the first in China to obtain EUA certification from the US FDA for its COVID-19 antigen self-test kit in 2021, with products distributed globally through platforms like Amazon [2] Group 2 - The law firm Zhongyin provided specialized legal advisory services for Jiuan Medical's bond registration, receiving high recognition from the client for its professional capabilities and project experience [1][4] - Jiuan Medical was included in the Fortune China 500 list in 2023 and has established subsidiaries in countries like the United States and France to expand its international business [2]